CA2329739C - Centrally fed antenna system and method for optimizing such an antenna system - Google Patents

Centrally fed antenna system and method for optimizing such an antenna system Download PDF

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Publication number
CA2329739C
CA2329739C CA002329739A CA2329739A CA2329739C CA 2329739 C CA2329739 C CA 2329739C CA 002329739 A CA002329739 A CA 002329739A CA 2329739 A CA2329739 A CA 2329739A CA 2329739 C CA2329739 C CA 2329739C
Authority
CA
Canada
Prior art keywords
reflector
antenna system
copolar
antenna
feed system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002329739A
Other languages
English (en)
French (fr)
Other versions
CA2329739A1 (en
Inventor
Luc Duchesne
Helmut Wolf
Norbert Nathrath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus DS GmbH
Original Assignee
Astrium GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Astrium GmbH filed Critical Astrium GmbH
Publication of CA2329739A1 publication Critical patent/CA2329739A1/en
Application granted granted Critical
Publication of CA2329739C publication Critical patent/CA2329739C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • H01Q19/023Means for reducing undesirable effects for reducing the scattering of mounting structures, e.g. of the struts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14Reflecting surfaces; Equivalent structures
    • H01Q15/141Apparatus or processes specially adapted for manufacturing reflecting surfaces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • H01Q19/025Means for reducing undesirable effects for optimizing the matching of the primary feed, e.g. vertex plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • H01Q19/028Means for reducing undesirable effects for reducing the cross polarisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
CA002329739A 1998-04-21 1999-04-20 Centrally fed antenna system and method for optimizing such an antenna system Expired - Fee Related CA2329739C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19817766A DE19817766A1 (de) 1998-04-21 1998-04-21 Zentral gespeistes Antennensystem und Verfahren zum Optimieren eines solchen Antennensystems
DE19817766.6 1998-04-21
PCT/DE1999/001188 WO1999054955A2 (de) 1998-04-21 1999-04-20 Zentral gespeistes antennensystem und verfahren zum optimieren eines solchen antennensystems

Publications (2)

Publication Number Publication Date
CA2329739A1 CA2329739A1 (en) 1999-10-28
CA2329739C true CA2329739C (en) 2004-02-24

Family

ID=7865303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002329739A Expired - Fee Related CA2329739C (en) 1998-04-21 1999-04-20 Centrally fed antenna system and method for optimizing such an antenna system

Country Status (8)

Country Link
US (1) US6489929B1 (de)
EP (1) EP1074061B1 (de)
JP (1) JP2002512462A (de)
CN (1) CN1292939A (de)
CA (1) CA2329739C (de)
DE (2) DE19817766A1 (de)
DK (1) DK1074061T3 (de)
WO (1) WO1999054955A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4001014B2 (ja) * 2002-12-25 2007-10-31 日本電気株式会社 携帯電話機
JP4468300B2 (ja) 2003-08-13 2010-05-26 三菱電機株式会社 反射鏡アンテナ装置
JP4673067B2 (ja) * 2005-01-18 2011-04-20 株式会社デバイス アンテナ昇降装置
EP2161784A1 (de) * 2008-09-05 2010-03-10 Astrium Limited Antennenreflektor
US9190716B2 (en) * 2008-09-05 2015-11-17 Astrium Limited Reflector
US10516216B2 (en) 2018-01-12 2019-12-24 Eagle Technology, Llc Deployable reflector antenna system
US10707552B2 (en) 2018-08-21 2020-07-07 Eagle Technology, Llc Folded rib truss structure for reflector antenna with zero over stretch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564903A (en) 1979-06-26 1981-01-19 Nippon Telegr & Teleph Corp <Ntt> Opening surface antenna with improved cross polarization characteristic

Also Published As

Publication number Publication date
DE19817766A1 (de) 1999-11-11
US6489929B1 (en) 2002-12-03
WO1999054955A3 (de) 1999-12-02
DE59903754D1 (de) 2003-01-23
CN1292939A (zh) 2001-04-25
JP2002512462A (ja) 2002-04-23
EP1074061A2 (de) 2001-02-07
CA2329739A1 (en) 1999-10-28
EP1074061B1 (de) 2002-12-11
DK1074061T3 (da) 2003-01-06
WO1999054955A2 (de) 1999-10-28

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160420